The O-Ring, cataloged under National Stock Number 5331-01-688-9021, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Sae International Dba Sae International (CAGE 0U583); Boyd Niagara, Llc (CAGE 61228) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-688-9021 |
| Primary Part Number | A30059-03 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A30059-03 PRIMARY | Sae International Dba Sae International (USA) |
| 44593A FIND NO. 10 | Boyd Niagara, Llc (USA) |
NSN 5331-01-688-9021 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-688-9021 has 2 manufacturer part numbers on file: A30059-03 (Sae International Dba Sae International), 44593A FIND NO. 10 (Boyd Niagara, Llc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.